SMALL ENGINES ICEV EXAM SCRIPT 2026
COMPREHENSIVE QUESTIONS AND
SOLUTIONS GRADED A+
◉ Air is forced around the cylinders by the _____. Answer: Flywheel
◉ The direction of airflow over the engine is controlled by a cover
called the. Answer: Sheet metal schoad
◉ Exhaust gases carry away about______ of the heat from the engine.
Answer: 1/3
◉ Water is ___ times more effective for cooling than air. Answer: 4
◉ In cold temperatures _____ is added to the water in the proper
amounts to prevent freezing. Answer: Anti- freeze
◉ Besides water____ is another liquid found in all engines that also
acts as a coolant.. Answer: Oil
◉ _____ is the process of reducing friction between sliding surfaces
by introducing a slippery or smooth substance between them.
Answer: Lubrication
, ◉ If lubrication is inadequate or nonexistent in an engine parts can
______ thus stopping the engine and causing great damage. Answer:
Seize
◉ For each gallon of fuel burned more than____ _____ of water is
formed. Answer: 1 gallon
◉ Viscosity refers to the resistance of a liquid to flow. In general
would a low or high viscosity oil be used in cold temperature
operations. Answer: Low
◉ In engines with a splash lubrication system oil ____ ____ prevents
oil burning problems. Answer: Control rings
◉ The primary purpose of the ignition system of a small gasoline
engine is to provide sufficient electrical voltage to discharge______.
Answer: A spark between the electrodes of the spark plug
◉ If an electron can transfer from atom to atom easily the material is
said to be a good electrical ____. Answer: Conductor
◉ Magnetic materials have______ that are aligned so their north poles
are all in one direction and south poles are in the opposite direction.
Answer: Molecules
COMPREHENSIVE QUESTIONS AND
SOLUTIONS GRADED A+
◉ Air is forced around the cylinders by the _____. Answer: Flywheel
◉ The direction of airflow over the engine is controlled by a cover
called the. Answer: Sheet metal schoad
◉ Exhaust gases carry away about______ of the heat from the engine.
Answer: 1/3
◉ Water is ___ times more effective for cooling than air. Answer: 4
◉ In cold temperatures _____ is added to the water in the proper
amounts to prevent freezing. Answer: Anti- freeze
◉ Besides water____ is another liquid found in all engines that also
acts as a coolant.. Answer: Oil
◉ _____ is the process of reducing friction between sliding surfaces
by introducing a slippery or smooth substance between them.
Answer: Lubrication
, ◉ If lubrication is inadequate or nonexistent in an engine parts can
______ thus stopping the engine and causing great damage. Answer:
Seize
◉ For each gallon of fuel burned more than____ _____ of water is
formed. Answer: 1 gallon
◉ Viscosity refers to the resistance of a liquid to flow. In general
would a low or high viscosity oil be used in cold temperature
operations. Answer: Low
◉ In engines with a splash lubrication system oil ____ ____ prevents
oil burning problems. Answer: Control rings
◉ The primary purpose of the ignition system of a small gasoline
engine is to provide sufficient electrical voltage to discharge______.
Answer: A spark between the electrodes of the spark plug
◉ If an electron can transfer from atom to atom easily the material is
said to be a good electrical ____. Answer: Conductor
◉ Magnetic materials have______ that are aligned so their north poles
are all in one direction and south poles are in the opposite direction.
Answer: Molecules
